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Class Information
Number: 521/65
Name: Synthetic resins or natural rubbers -- part of the class 520 series > Synthetic resins (class 520, subclass 1) > Cellular products or processes of preparing a cellular product, e.g., foams, pores, channels, etc. > Process of forming a cellular product from an aqueous latex, aqueous dispersion, or aqueous emulsion containing a solid polymer; process of preparing a latex, dispersion, or emulsion containing a solid polymer which is designed to be formed into a cellular product, or composition thereof
Description: Subject matter wherein a cellular product is produced from an aqueous latex, aqueous dispersion, or aqueous emulsion containing a solid polymer.


Sub-classes under this class:

Class Number Class Name Patents
521/67 Adding -n=c=x material to a latex, dispersion, or emulsion containing a solid polymer 38
521/68 Adding fibrous material to a latex, dispersion, or emulsion containing a solid polymer 32
521/69 Latex, dispersion, or emulsion contains an additional solid polymer-forming system 46
521/70 Latex, dispersion, or emulsion contains two or more solid polymers 58
521/71 Solid polymer is derived from a conjugated diene monomer 58
521/66 Treating a latex, dispersions, or emulsion containing a solid polymer at 32 degrees f. or below, e.g., freezing, etc. 17
521/72 Utilizing cell forming agent other than air 102


Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
7456228 Durable foam of olefin polymers, methods of making foam and articles prepared from same Nov. 25, 2008
7452920 Electronically and ionically conductive porous material and method for manufacture of resin wafers therefrom Nov. 18, 2008
7449505 Method of making porous microspheres with geometric standard deviation of 1.25 or less Nov. 11, 2008
7427321 Foamed fireproofing composition and method Sep. 23, 2008
7390844 Polymer particle stabilized by dispersant and method of preparation Jun. 24, 2008
7201962 Hemocompatible coated polymer and related one-step methods Apr. 10, 2007
7179845 Elastomeric latex foams Feb. 20, 2007
7112620 Hemocompatible polymer systems & related methods Sep. 26, 2006
7053131 Absorbent articles comprising supercritical fluid treated HIPE, I-HIPE foams and other foams May. 30, 2006
6953587 Process for making a water-soluble foam component Oct. 11, 2005
6943200 Water unstable foam compositions Sep. 13, 2005
6911484 Expanding medium, system and method for decorating surfaces Jun. 28, 2005
6900249 Durable, absorbent latex foam composition having high vertical wicking May. 31, 2005
6884829 Hemocompatible coated polymer and related one-step methods Apr. 26, 2005
6814882 Fabric coating composition with latent heat effect and a method for fabricating the same Nov. 9, 2004
6808672 Process and apparatus for coagulating and drying latex Oct. 26, 2004
6797735 Process for producing porous polymer Sep. 28, 2004
6780230 Foamed fireproofing composition and method Aug. 24, 2004
6759080 Process for making foams by photopolymerization of emulsions Jul. 6, 2004
6756413 O/W aqueous thermosetting resin dispersion, FRP precision filter medium made with the aqueous dispersion, and process for producing the same Jun. 29, 2004
6753355 Latex crosslinking with blocked nitrile oxides or epoxy silanes Jun. 22, 2004
6750262 Water-absorbing, cellular, cross-linked polymers with improved distribution effect, method for their production and their use Jun. 15, 2004
6750277 Composition and treatment agent Jun. 15, 2004
6716914 Compatible linear and branched ethylenic polymers and foams therefrom Apr. 6, 2004
6699914 Water-repellent composition for foaming process Mar. 2, 2004
6699915 Foamed fireproofing composition and method Mar. 2, 2004
6689465 Porous beads and process for producing the same Feb. 10, 2004
6673451 Process for forming an aqueous polymeric dispersion Jan. 6, 2004
6627670 Durable, absorbent latex foam composition having high vertical wicking Sep. 30, 2003
6599849 Knitted fabric-elastomer composite preferable for transfer or film-coating Jul. 29, 2003
6545062 Production of water-expandable styrene polymers Apr. 8, 2003
6531523 Method of making biocompatible polymeric adsorbing material for purification of physiological fluids of organism Mar. 11, 2003
6528067 Total nutrient admixtures as stable multicomponent liquids or dry powders and methods for the preparation thereof Mar. 4, 2003
6528551 Process for manufacturing composite thermal insulating systems by means of an organic adhesive of filler material Mar. 4, 2003
6527970 Microbiological aqueous film forming foam (AFFF) fire-fighting formulation Mar. 4, 2003
6503976 Fabric coating containing energy absorbing phase change material and method of manufacturing same Jan. 7, 2003
6491975 Process for making a bonded sewing thread with aqueous based bonding agents via foam delivery system Dec. 10, 2002
6451348 Method of manufacturing porous matrix-type controlled release systems using emulsion technique Sep. 17, 2002
6417315 Preparation of conductive polyurethanes using a conductive quasi-solution Jul. 9, 2002
6414044 Foamed caulk and sealant compounds Jul. 2, 2002
6395794 Stable, foamed caulk and sealant compounds and methods of use thereof May. 28, 2002
6376566 Agricultural foam marker compositions and use thereof Apr. 23, 2002
6369122 Agricultural foam marker compositions and use thereof Apr. 9, 2002
6365640 Silicone rubber sponge composition and sponge articles therefrom Apr. 2, 2002
6346557 Porous material, method for making same and applications Feb. 12, 2002
6346556 Silicone rubber sponge composition, sponge, and process for making Feb. 12, 2002
6333365 Stable, foamed caulk and sealant compounds and methods of use thereof Dec. 25, 2001
6323250 Method for production of porous material Nov. 27, 2001
6303665 Spray-resistant aqueous foam, its production and use Oct. 16, 2001
6300382 Silicone rubber sponge composition and sponge articles therefrom Oct. 9, 2001

1 2 3 4 5


 
 
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